From: Bob Moore <robert.moore@xxxxxxxxx>
Descriptions to be compiled/used by the acpihelp utility only. Not
compiled for the kernel ACPICA code.
Signed-off-by: Bob Moore <robert.moore@xxxxxxxxx>
Signed-off-by: Lv Zheng <lv.zheng@xxxxxxxxx>
---
drivers/acpi/acpica/acutils.h | 3 +-
drivers/acpi/acpica/utexcep.c | 26 ++--
include/acpi/acexcep.h | 269 +++++++++++++++++++++++++----------------
3 files changed, 183 insertions(+), 115 deletions(-)
diff --git a/drivers/acpi/acpica/acutils.h b/drivers/acpi/acpica/acutils.h
index 0082fa0..c01f1a1 100644
--- a/drivers/acpi/acpica/acutils.h
+++ b/drivers/acpi/acpica/acutils.h
@@ -483,7 +483,8 @@ acpi_ut_short_divide(u64 in_dividend,
/*
* utmisc
*/
-const char *acpi_ut_validate_exception(acpi_status status);
+const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status
+ status);
u8 acpi_ut_is_pci_root_bridge(char *id);
diff --git a/drivers/acpi/acpica/utexcep.c b/drivers/acpi/acpica/utexcep.c
index a0ab7c0..b543a14 100644
--- a/drivers/acpi/acpica/utexcep.c
+++ b/drivers/acpi/acpica/utexcep.c
@@ -64,7 +64,7 @@ ACPI_MODULE_NAME("utexcep")
******************************************************************************/
const char *acpi_format_exception(acpi_status status)
{
- const char *exception = NULL;
+ const struct acpi_exception_info *exception;
ACPI_FUNCTION_ENTRY();
@@ -76,10 +76,10 @@ const char *acpi_format_exception(acpi_status status)
ACPI_ERROR((AE_INFO,
"Unknown exception code: 0x%8.8X", status));
- exception = "UNKNOWN_STATUS_CODE";
+ return ("UNKNOWN_STATUS_CODE");
}
- return (ACPI_CAST_PTR(const char, exception));
+ return (exception->name);
}
ACPI_EXPORT_SYMBOL(acpi_format_exception)
@@ -97,10 +97,10 @@ ACPI_EXPORT_SYMBOL(acpi_format_exception)
* an ASCII string.
*
******************************************************************************/
-const char *acpi_ut_validate_exception(acpi_status status)
+const struct acpi_exception_info *acpi_ut_validate_exception(acpi_status status)
{
u32 sub_status;
- const char *exception = NULL;
+ const struct acpi_exception_info *exception = NULL;
ACPI_FUNCTION_ENTRY();
@@ -113,35 +113,35 @@ const char *acpi_ut_validate_exception(acpi_status status)
case AE_CODE_ENVIRONMENTAL:
if (sub_status <= AE_CODE_ENV_MAX) {
- exception = acpi_gbl_exception_names_env[sub_status];
+ exception = &acpi_gbl_exception_names_env[sub_status];
}
break;
case AE_CODE_PROGRAMMER:
if (sub_status <= AE_CODE_PGM_MAX) {
- exception = acpi_gbl_exception_names_pgm[sub_status];
+ exception = &acpi_gbl_exception_names_pgm[sub_status];
}
break;
case AE_CODE_ACPI_TABLES:
if (sub_status <= AE_CODE_TBL_MAX) {
- exception = acpi_gbl_exception_names_tbl[sub_status];
+ exception = &acpi_gbl_exception_names_tbl[sub_status];
}
break;
case AE_CODE_AML:
if (sub_status <= AE_CODE_AML_MAX) {
- exception = acpi_gbl_exception_names_aml[sub_status];
+ exception = &acpi_gbl_exception_names_aml[sub_status];
}
break;
case AE_CODE_CONTROL:
if (sub_status <= AE_CODE_CTRL_MAX) {
- exception = acpi_gbl_exception_names_ctrl[sub_status];
+ exception = &acpi_gbl_exception_names_ctrl[sub_status];
}
break;
@@ -149,5 +149,9 @@ const char *acpi_ut_validate_exception(acpi_status status)
break;
}
- return (ACPI_CAST_PTR(const char, exception));
+ if (!exception || !exception->name) {
+ return (NULL);
+ }
+
+ return (exception);
}
diff --git a/include/acpi/acexcep.h b/include/acpi/acexcep.h
index 3e6b163..cf051e0 100644
--- a/include/acpi/acexcep.h
+++ b/include/acpi/acexcep.h
@@ -49,11 +49,12 @@
/*
* Exception code classes
*/
-#define AE_CODE_ENVIRONMENTAL 0x0000
-#define AE_CODE_PROGRAMMER 0x1000
-#define AE_CODE_ACPI_TABLES 0x2000
-#define AE_CODE_AML 0x3000
-#define AE_CODE_CONTROL 0x4000
+#define AE_CODE_ENVIRONMENTAL 0x0000 /* General ACPICA environment */
+#define AE_CODE_PROGRAMMER 0x1000 /* External ACPICA interface caller */
+#define AE_CODE_ACPI_TABLES 0x2000 /* ACPI tables */
+#define AE_CODE_AML 0x3000 /* From executing AML code */
+#define AE_CODE_CONTROL 0x4000 /* Internal control codes */
+
#define AE_CODE_MAX 0x4000
#define AE_CODE_MASK 0xF000
@@ -67,6 +68,24 @@
#define EXCEP_CTL(code) ((acpi_status) (code | AE_CODE_CONTROL))
/*
+ * Exception info table. The "Description" field is used only by the
+ * ACPICA help application (acpihelp).
+ */
+struct acpi_exception_info {
+ char *name;
+
+#ifdef ACPI_HELP_APP
+ char *description;
+#endif
+};
+
+#ifdef ACPI_HELP_APP
+#define EXCEP_TXT(name,description) {name, description}
+#else
+#define EXCEP_TXT(name,description) {name}
+#endif
+
+/*
* Success is always zero, failure is non-zero
*/
#define ACPI_SUCCESS(a) (!(a))
@@ -202,112 +221,156 @@
* String versions of the exception codes above
* These strings must match the corresponding defines exactly
*/
-char const *acpi_gbl_exception_names_env[] = {
- "AE_OK",
- "AE_ERROR",
- "AE_NO_ACPI_TABLES",
- "AE_NO_NAMESPACE",
- "AE_NO_MEMORY",
- "AE_NOT_FOUND",
- "AE_NOT_EXIST",
- "AE_ALREADY_EXISTS",
- "AE_TYPE",
- "AE_NULL_OBJECT",
- "AE_NULL_ENTRY",
- "AE_BUFFER_OVERFLOW",
- "AE_STACK_OVERFLOW",
- "AE_STACK_UNDERFLOW",
- "AE_NOT_IMPLEMENTED",
- "AE_SUPPORT",
- "AE_LIMIT",
- "AE_TIME",
- "AE_ACQUIRE_DEADLOCK",
- "AE_RELEASE_DEADLOCK",
- "AE_NOT_ACQUIRED",
- "AE_ALREADY_ACQUIRED",
- "AE_NO_HARDWARE_RESPONSE",
- "AE_NO_GLOBAL_LOCK",
- "AE_ABORT_METHOD",
- "AE_SAME_HANDLER",
- "AE_NO_HANDLER",
- "AE_OWNER_ID_LIMIT",
- "AE_NOT_CONFIGURED"
+static const struct acpi_exception_info acpi_gbl_exception_names_env[] = {
+ EXCEP_TXT("AE_OK", "No error"),
+ EXCEP_TXT("AE_ERROR", "Unspecified error"),
+ EXCEP_TXT("AE_NO_ACPI_TABLES", "ACPI tables could not be found"),
+ EXCEP_TXT("AE_NO_NAMESPACE", "A namespace has not been loaded"),
+ EXCEP_TXT("AE_NO_MEMORY", "Insufficient dynamic memory"),
+ EXCEP_TXT("AE_NOT_FOUND", "The name was not found in the namespace"),
+ EXCEP_TXT("AE_NOT_EXIST", "A required entity does not exist"),
+ EXCEP_TXT("AE_ALREADY_EXISTS", "An entity already exists"),
+ EXCEP_TXT("AE_TYPE", "The object type is incorrect"),
+ EXCEP_TXT("AE_NULL_OBJECT", "A required object was missing"),
+ EXCEP_TXT("AE_NULL_ENTRY", "The requested object does not exist"),
+ EXCEP_TXT("AE_BUFFER_OVERFLOW", "The buffer provided is too small"),
+ EXCEP_TXT("AE_STACK_OVERFLOW", "An internal stack overflowed"),
+ EXCEP_TXT("AE_STACK_UNDERFLOW", "An internal stack underflowed"),
+ EXCEP_TXT("AE_NOT_IMPLEMENTED", "The feature is not implemented"),
+ EXCEP_TXT("AE_SUPPORT", "The feature is not supported"),
+ EXCEP_TXT("AE_LIMIT", "A predefined limit was exceeded"),
+ EXCEP_TXT("AE_TIME", "A time limit or timeout expired"),
+ EXCEP_TXT("AE_ACQUIRE_DEADLOCK",
+ "Internal error, attempt was made to acquire a mutex in improper order"),
+ EXCEP_TXT("AE_RELEASE_DEADLOCK",
+ "Internal error, attempt was made to release a mutex in improper order"),
+ EXCEP_TXT("AE_NOT_ACQUIRED",
+ "An attempt to release a mutex or Global Lock without a previous acquire"),
+ EXCEP_TXT("AE_ALREADY_ACQUIRED",
+ "Internal error, attempt was made to acquire a mutex twice"),
+ EXCEP_TXT("AE_NO_HARDWARE_RESPONSE",
+ "Hardware did not respond after an I/O operation"),
+ EXCEP_TXT("AE_NO_GLOBAL_LOCK", "There is no FACS Global Lock"),
+ EXCEP_TXT("AE_ABORT_METHOD", "A control method was aborted"),
+ EXCEP_TXT("AE_SAME_HANDLER",
+ "Attempt was made to install the same handler that is already installed"),
+ EXCEP_TXT("AE_NO_HANDLER",
+ "A handler for the operation is not installed"),
+ EXCEP_TXT("AE_OWNER_ID_LIMIT",
+ "There are no more Owner IDs available for ACPI tables or control methods"),
+ EXCEP_TXT("AE_NOT_CONFIGURED",
+ "The interface is not part of the current subsystem configuration")
};
-char const *acpi_gbl_exception_names_pgm[] = {
- NULL,
- "AE_BAD_PARAMETER",
- "AE_BAD_CHARACTER",
- "AE_BAD_PATHNAME",
- "AE_BAD_DATA",
- "AE_BAD_HEX_CONSTANT",
- "AE_BAD_OCTAL_CONSTANT",
- "AE_BAD_DECIMAL_CONSTANT",
- "AE_MISSING_ARGUMENTS",
- "AE_BAD_ADDRESS"
+static const struct acpi_exception_info acpi_gbl_exception_names_pgm[] = {
+ EXCEP_TXT(NULL, NULL),
+ EXCEP_TXT("AE_BAD_PARAMETER", "A parameter is out of range or invalid"),
+ EXCEP_TXT("AE_BAD_CHARACTER",
+ "An invalid character was found in a name"),
+ EXCEP_TXT("AE_BAD_PATHNAME",
+ "An invalid character was found in a pathname"),
+ EXCEP_TXT("AE_BAD_DATA",
+ "A package or buffer contained incorrect data"),
+ EXCEP_TXT("AE_BAD_HEX_CONSTANT", "Invalid character in a Hex constant"),
+ EXCEP_TXT("AE_BAD_OCTAL_CONSTANT",
+ "Invalid character in an Octal constant"),
+ EXCEP_TXT("AE_BAD_DECIMAL_CONSTANT",
+ "Invalid character in a Decimal constant"),
+ EXCEP_TXT("AE_MISSING_ARGUMENTS",
+ "Too few arguments were passed to a control method"),
+ EXCEP_TXT("AE_BAD_ADDRESS", "An illegal null I/O address")
};
-char const *acpi_gbl_exception_names_tbl[] = {
- NULL,
- "AE_BAD_SIGNATURE",
- "AE_BAD_HEADER",
- "AE_BAD_CHECKSUM",
- "AE_BAD_VALUE",
- "AE_INVALID_TABLE_LENGTH"
+static const struct acpi_exception_info acpi_gbl_exception_names_tbl[] = {
+ EXCEP_TXT(NULL, NULL),
+ EXCEP_TXT("AE_BAD_SIGNATURE", "An ACPI table has an invalid signature"),
+ EXCEP_TXT("AE_BAD_HEADER", "Invalid field in an ACPI table header"),
+ EXCEP_TXT("AE_BAD_CHECKSUM", "An ACPI table checksum is not correct"),
+ EXCEP_TXT("AE_BAD_VALUE", "An invalid value was found in a table"),
+ EXCEP_TXT("AE_INVALID_TABLE_LENGTH",
+ "The FADT or FACS has improper length")
};
-char const *acpi_gbl_exception_names_aml[] = {
- NULL,
- "AE_AML_BAD_OPCODE",
- "AE_AML_NO_OPERAND",
- "AE_AML_OPERAND_TYPE",
- "AE_AML_OPERAND_VALUE",
- "AE_AML_UNINITIALIZED_LOCAL",
- "AE_AML_UNINITIALIZED_ARG",
- "AE_AML_UNINITIALIZED_ELEMENT",
- "AE_AML_NUMERIC_OVERFLOW",
- "AE_AML_REGION_LIMIT",
- "AE_AML_BUFFER_LIMIT",
- "AE_AML_PACKAGE_LIMIT",
- "AE_AML_DIVIDE_BY_ZERO",
- "AE_AML_BAD_NAME",
- "AE_AML_NAME_NOT_FOUND",
- "AE_AML_INTERNAL",
- "AE_AML_INVALID_SPACE_ID",
- "AE_AML_STRING_LIMIT",
- "AE_AML_NO_RETURN_VALUE",
- "AE_AML_METHOD_LIMIT",
- "AE_AML_NOT_OWNER",
- "AE_AML_MUTEX_ORDER",
- "AE_AML_MUTEX_NOT_ACQUIRED",
- "AE_AML_INVALID_RESOURCE_TYPE",
- "AE_AML_INVALID_INDEX",
- "AE_AML_REGISTER_LIMIT",
- "AE_AML_NO_WHILE",
- "AE_AML_ALIGNMENT",
- "AE_AML_NO_RESOURCE_END_TAG",
- "AE_AML_BAD_RESOURCE_VALUE",
- "AE_AML_CIRCULAR_REFERENCE",
- "AE_AML_BAD_RESOURCE_LENGTH",
- "AE_AML_ILLEGAL_ADDRESS",
- "AE_AML_INFINITE_LOOP"
+static const struct acpi_exception_info acpi_gbl_exception_names_aml[] = {
+ EXCEP_TXT(NULL, NULL),
+ EXCEP_TXT("AE_AML_BAD_OPCODE", "Invalid AML opcode encountered"),
+ EXCEP_TXT("AE_AML_NO_OPERAND", "A required operand is missing"),
+ EXCEP_TXT("AE_AML_OPERAND_TYPE",
+ "An operand of an incorrect type was encountered"),
+ EXCEP_TXT("AE_AML_OPERAND_VALUE",
+ "The operand had an inappropriate or invalid value"),
+ EXCEP_TXT("AE_AML_UNINITIALIZED_LOCAL",
+ "Method tried to use an uninitialized local variable"),
+ EXCEP_TXT("AE_AML_UNINITIALIZED_ARG",
+ "Method tried to use an uninitialized argument"),
+ EXCEP_TXT("AE_AML_UNINITIALIZED_ELEMENT",
+ "Method tried to use an empty package element"),
+ EXCEP_TXT("AE_AML_NUMERIC_OVERFLOW",
+ "Overflow during BCD conversion or other"),
+ EXCEP_TXT("AE_AML_REGION_LIMIT",
+ "Tried to access beyond the end of an Operation Region"),
+ EXCEP_TXT("AE_AML_BUFFER_LIMIT",
+ "Tried to access beyond the end of a buffer"),
+ EXCEP_TXT("AE_AML_PACKAGE_LIMIT",
+ "Tried to access beyond the end of a package"),
+ EXCEP_TXT("AE_AML_DIVIDE_BY_ZERO",
+ "During execution of AML Divide operator"),
+ EXCEP_TXT("AE_AML_BAD_NAME",
+ "An ACPI name contains invalid character(s)"),
+ EXCEP_TXT("AE_AML_NAME_NOT_FOUND",
+ "Could not resolve a named reference"),
+ EXCEP_TXT("AE_AML_INTERNAL", "An internal error within the interprete"),
+ EXCEP_TXT("AE_AML_INVALID_SPACE_ID",
+ "An Operation Region SpaceID is invalid"),
+ EXCEP_TXT("AE_AML_STRING_LIMIT",
+ "String is longer than 200 characters"),
+ EXCEP_TXT("AE_AML_NO_RETURN_VALUE",
+ "A method did not return a required value"),
+ EXCEP_TXT("AE_AML_METHOD_LIMIT",
+ "A control method reached the maximum reentrancy limit of 255"),
+ EXCEP_TXT("AE_AML_NOT_OWNER",
+ "A thread tried to release a mutex that it does not own"),
+ EXCEP_TXT("AE_AML_MUTEX_ORDER", "Mutex SyncLevel release mismatch"),
+ EXCEP_TXT("AE_AML_MUTEX_NOT_ACQUIRED",
+ "Attempt to release a mutex that was not previously acquired"),
+ EXCEP_TXT("AE_AML_INVALID_RESOURCE_TYPE",
+ "Invalid resource type in resource list"),
+ EXCEP_TXT("AE_AML_INVALID_INDEX",
+ "Invalid Argx or Localx (x too large)"),
+ EXCEP_TXT("AE_AML_REGISTER_LIMIT",
+ "Bank value or Index value beyond range of register"),
+ EXCEP_TXT("AE_AML_NO_WHILE", "Break or Continue without a While"),
+ EXCEP_TXT("AE_AML_ALIGNMENT",
+ "Non-aligned memory transfer on platform that does not support this"),
+ EXCEP_TXT("AE_AML_NO_RESOURCE_END_TAG",
+ "No End Tag in a resource list"),
+ EXCEP_TXT("AE_AML_BAD_RESOURCE_VALUE",
+ "Invalid value of a resource element"),
+ EXCEP_TXT("AE_AML_CIRCULAR_REFERENCE",
+ "Two references refer to each other"),
+ EXCEP_TXT("AE_AML_BAD_RESOURCE_LENGTH",
+ "The length of a Resource Descriptor in the AML is incorrect"),
+ EXCEP_TXT("AE_AML_ILLEGAL_ADDRESS",
+ "A memory, I/O, or PCI configuration address is invalid"),
+ EXCEP_TXT("AE_AML_INFINITE_LOOP",
+ "An apparent infinite AML While loop, method was aborted")
};
-char const *acpi_gbl_exception_names_ctrl[] = {
- NULL,
- "AE_CTRL_RETURN_VALUE",
- "AE_CTRL_PENDING",
- "AE_CTRL_TERMINATE",
- "AE_CTRL_TRUE",
- "AE_CTRL_FALSE",
- "AE_CTRL_DEPTH",
- "AE_CTRL_END",
- "AE_CTRL_TRANSFER",
- "AE_CTRL_BREAK",
- "AE_CTRL_CONTINUE",
- "AE_CTRL_SKIP",
- "AE_CTRL_PARSE_CONTINUE",
- "AE_CTRL_PARSE_PENDING"
+static const struct acpi_exception_info acpi_gbl_exception_names_ctrl[] = {
+ EXCEP_TXT(NULL, NULL),
+ EXCEP_TXT("AE_CTRL_RETURN_VALUE", "A Method returned a value"),
+ EXCEP_TXT("AE_CTRL_PENDING", "Method is calling another method"),
+ EXCEP_TXT("AE_CTRL_TERMINATE", "Terminate the executing method"),
+ EXCEP_TXT("AE_CTRL_TRUE", "An If or While predicate result"),
+ EXCEP_TXT("AE_CTRL_FALSE", "An If or While predicate result"),
+ EXCEP_TXT("AE_CTRL_DEPTH", "Maximum search depth has been reached"),
+ EXCEP_TXT("AE_CTRL_END", "An If or While predicate is false"),
+ EXCEP_TXT("AE_CTRL_TRANSFER", "Transfer control to called method"),
+ EXCEP_TXT("AE_CTRL_BREAK", "A Break has been executed"),
+ EXCEP_TXT("AE_CTRL_CONTINUE", "A Continue has been executed"),
+ EXCEP_TXT("AE_CTRL_SKIP", "Not currently used"),
+ EXCEP_TXT("AE_CTRL_PARSE_CONTINUE", "Used to skip over bad opcodes"),
+ EXCEP_TXT("AE_CTRL_PARSE_PENDING", "Used to implement AML While loops")
};
#endif /* EXCEPTION_TABLE */
--
1.7.10
--
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